冲销原因是在被冲销凭证中显示的。

在电话网中，完成用户呼叫接续的主要设备是（）。

A.数字程控交换机

B.X.25分组交换机

C.路由器

D.光端机

阅读理解。

     Kerry and Alice were both artists in Britain. They taught drawing and painting at Cambridge University.

Although they were friends, each thought oneself to be the better painter.

     One day, Kerry promised marriage to Alice. Surprised and pleased by the offer, the girl was not sure

whether she would spend her future as a wife or a painter. After a moment she replied as follows, "Each

of us must paint a picture. If yours is superior to mine, you can make me your wife. If not, please drop

the question." Then it was decided to give it the following day.

     The next morning, Alice hung her picture on the gate. It showed a bunch of flowers and won high praise

from everyone who passed by. In fact, a crowd collected in front of her masterpiece and fixed eyes on it.

     Several hours passed. Then Kerry was seen coming along to the gate with what appeared to be a beautiful

leather suitcase in his hand. When he finally stopped before Alice, the girl artist brushed like a rose and agreed

to marry him without any hesitation. Why?

1. What did Alice think Kerry's offer? [ ]

A. She liked Kerry, but she didn't expect him to promise marriage to her.

B. She didn't want to marry anybody.

C. She didn't like it at all.

D. She thought the offer wasn't polite.

2. In the sentence "If yours is superior to mine, you can make me your wife". "superior to" here means _____. [ ]

A. not so better than

B. better than

C. as bad as

D. as good as

3. Which of the following is true? [ ]

A. Kerry didn't accept Alice's suggestion.

B. Kerry wasn't sure of his painting so he dropped his offer.

C. Kerry did go the next day, but he failed to take a picture.

D. Kerry agreed to Alice's suggestion.

4. Alice's picture won high praise because _____. [ ]

A. it was true to nature

B. the flowers were red

C. it showed so large a bunch of flowers

D. people felt it strange to hang it on the gate

5. The "leather suitcase" was in fact _____. [ ]

A. a real one

B. a painting drawn by Kerry

C. a box with a picture in it

D. made up of leather

促进液体在固体表面铺展或渗透的作用称为( )

A．增溶
B．乳化
C．助溶
D．润湿
E．潜溶

混凝剂的重力投加方式的适用条件和设计要求包括( )。

A．适用于中小水厂

B．吸水管路和水泵进行防腐

C．应设防止空气进入吸水管措施

D．药投于水泵吸水管或吸水井中吸水喇叭口处，利用水泵叶轮混合。取水泵房离水厂加药间较近时采用

甲公司目前主营产品为A，A产品所在行业竞争者众多，占有市场份额最高的企业的市场份额为18%，且行业内主要企业的份额比率均在1.7以内。甲公司同两个主要竞争对手乙公司和丙公司的竞争态势矩阵见表7。

表7 竞争态势矩阵图

序号	关键竞争因素/强势指标	权重	得分
			甲公司	乙公司	丙公司
1	生产规模	0.20	4	3	5
2	技术实力	0.15	2	5	3
3	产品质量	0.20	5	4	5
4	成本优势	0.15	3	1	4
5	客户服务能力	0.20	5	3	3
6	财务实力	0.10	1	5	2

为了进一步拓展业务范围，甲公司考虑进入B产品市场，为此委托一家咨询公司进行咨询。咨询报告提出B产品目前具有技术成熟、质量稳定、消费者全面认同等特征，目前是甲公司进入B产品市场的最佳时机，建议尽快进入。
[问题]

判断A产品所在行业的市场竞争格局属于何种类型，并说明理由。